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I'm trying to create a join where I take the sum of the values of one of the attributes in the point layer within each buffer and add it to the bufferlayers attribute table. I can't figure out which settings I need. Do I get all values with intersect or should i choose contains or touches? I want the aggregated value from one of the attributes within so I suppose I should take the "Attribute summary" that you can se in the picture?

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I think you should configurate your analysis in this way:

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I did a test and the output is a polygon layer which stores the sum of your point layer values in a field called "sumVAL" ("VAL" was the original field of the point layer where I stored the values to sum).

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  • Also make sure that the two layers have the same projection. Otherwise they will still not intersect and the sums will be NULL.
    – hfs
    May 2, 2019 at 19:33

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